cheb.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:47:48:5a:04:5e:1e:74:b5:56:a1:e3:6b:bc:cf:25:c7:07 was issued on by Let's Encrypt.

With 8 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=cheb.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:47:48:5a:04:5e:1e:74:b5:56:a1:e3:6b:bc:cf:25:c7:07
Serial Number (int): 285593077657667664256090601242554788071175
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 33:30:6d:26:8c:cf:71:67:54:13:50:c4:3f:7f:78:97:d7:a2:c8:52
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7b:a1:08:70:91:5f:5a:75:df:2c:62:d4:d0:a9:97:86:ec:aa:c0:b8
Fingerprint (sha256): 7f:b8:95:c3:09:58:e0:e2:39:e8:6d:96:56:4a:85:c1:ca:43:50:f7:e2:b9:11:da:66:dc:a3:e5:0f:a0:5f:01

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate cheb.cz

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cheb.cz

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

cheb.cz
cheb.eu
mestocheb.cz
mestocheb.eu
www.cheb.cz
www.cheb.eu
www.mestocheb.cz
www.mestocheb.eu

Other certificates including the domain name cheb.cz

(limited to 100 certificates)
ssl.cheb.cz
cheb.cz
zakazky.cheb.cz
*.cheb.cz
cheb.cz
zapisyzs.cheb.cz
cheb.cz
cheb.cz
*.cheb.cz
cheb.cz
cheb.cz
zakazky.cheb.cz
cheb.cz
cheb.cz
*.cheb.cz
cheb.cz
cheb.cz
anonymizace.cheb.cz
zakazky.cheb.cz
cheb.cz
cheb.cz
cheb.cz
cheb.cz
cheb.cz
cheb.cz
*.cheb.cz
cheb.cz
tic.cheb.cz
cheb.cz

Certificate

The complete raw certificate details for cheb.cz in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFdzCCBF+gAwIBAgISA0dIWgReHnS1VqHja7zPJccHMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA1MDQxNjE3MDVaFw0yMzA4MDIxNjE3MDRaMBIxEDAOBgNVBAMT
B2NoZWIuY3owggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC3fmg5eUaE
I4lDOpOpH/QiPebl6k9HdX5OQggAZF0A92hZ/g/PcfyqAvl6Y2L7yvzIYtTAbhjg
Gpl0hL038ryiBM7P5/zXNHt3GT+yVU+JfMvf8bTG50g7BFWl8zVjgr0V6uywY6Gj
BcmWFXbz1lm8h+MbPDLY0AEtzM712y+aNysMXyQ6fODOthPCTIeWPqq7dk9Qf7rx
TyvbOc7L7hvNLziEPEvv2tVDDRsdtU+oMNbfqoxP7ZZkHFQy95fxJHEgy42zj5AC
ItmaIKRebUFfQdopCAzw6j5RJU1GYc0P+0wCQk+yDiaftW2iJ1DoUICAOgrHW27h
/95tL5KXaDoHAgMBAAGjggKlMIICoTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw
FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFDMw
bSaMz3FnVBNQxD9/eJfXoshSMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52L
FMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVu
Y3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMHUGA1Ud
EQRuMGyCB2NoZWIuY3qCB2NoZWIuZXWCDG1lc3RvY2hlYi5jeoIMbWVzdG9jaGVi
LmV1ggt3d3cuY2hlYi5jeoILd3d3LmNoZWIuZXWCEHd3dy5tZXN0b2NoZWIuY3qC
EHd3dy5tZXN0b2NoZWIuZXUwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC
3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcw
ggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgC3Pvsk35xNunXyOcW6WPRsXfxCz3qf
NcSeHQmBJe20mQAAAYfnxHbGAAAEAwBHMEUCIFUF84+tjHuLvbZHrwCSmLzerLY7
AoQuxBXyCvPkWOdBAiEA6OO4nLMZO7YCQCdXpZ74fjpb1gtqOR/sdKK0ECLIczcA
dgB6MoxU2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAAAYfnxHjSAAAEAwBH
MEUCIAEFF3XmdjYhtyXFy2gruE2pz3FTs7p0PlbCSzeTCEtJAiEA6K+XZVhC4bkN
2q1WLdkkFrhd7ccgAfWACOqANJyRiY8wDQYJKoZIhvcNAQELBQADggEBAAslk2o1
zPLuLNhGIgVX7uVemx2zCPx8AXnWo9ZbdrrTcPNWmLi6v9NEkwN5ZyPqykdhoep0
dZ3nUp5B/EjMNtVlqhpttP8bqAGoHts32Fc88Uk6eOLdMJAsmQiFJa9/TGFIgB61
dDEXMpsbsSsyvzwZGPLukBZCy5A1xgVkH69naZS7iehtyVppZHlzF8s6GvFuj4lf
/ugpdI53jBJGpLeW3s5k0Zv6pdAW6tC8WDUDS2GfIanlri1zRGCFmYsWjToN7tfs
a6fGj+hf5TxhzYGdX347045eRD3ZYm/M9VPNPFPU/cbQtoeBCBPVMfuqg2REoeLB
8IL4nkDhFdny5/w=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt35oOXlGhCOJQzqTqR/0
Ij3m5epPR3V+TkIIAGRdAPdoWf4Pz3H8qgL5emNi+8r8yGLUwG4Y4BqZdIS9N/K8
ogTOz+f81zR7dxk/slVPiXzL3/G0xudIOwRVpfM1Y4K9FerssGOhowXJlhV289ZZ
vIfjGzwy2NABLczO9dsvmjcrDF8kOnzgzrYTwkyHlj6qu3ZPUH+68U8r2znOy+4b
zS84hDxL79rVQw0bHbVPqDDW36qMT+2WZBxUMveX8SRxIMuNs4+QAiLZmiCkXm1B
X0HaKQgM8Oo+USVNRmHND/tMAkJPsg4mn7VtoidQ6FCAgDoKx1tu4f/ebS+Sl2g6
BwIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 285593077657667664256090601242554788071175
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-04 16:17:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-02 16:17:04 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'cheb.cz'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23163943486310323973887779546923337017418409934919755638079449313285298400292090989457977027126957326947454864245063347988468892819946500780819443124463207958603403945326430759144287360092366030928461860450985228604698564058128320124961757228248856952400357795738949252040718566883377263945460115437297092832365805062998902309650758951181603560709744343619088091128945149258552563228199253547537124939820431030686020670029952999152296662916005950656671063776261536209901806050123303705896733951035222543139923653374717982019329427224549030038423990420448089014091407982789423525274626190083625442333172520429705247239
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							33306d268ccf7167541350c43f7f7897d7a2c852
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (110 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cheb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cheb.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mestocheb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mestocheb.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cheb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cheb.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mestocheb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mestocheb.eu'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000187e7c476c6000004030047304502205505f38fad8c7b8bbdb647af009298bcdeacb63b02842ec415f20af3e458e741022100e8e3b89cb3193bb602402757a59ef87e3a5bd60b6a391fec74a2b41022c873370076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000187e7c478d20000040300473045022001051775e6763621b725c5cb682bb84da9cf7153b3ba743e56c24b3793084b49022100e8af97655842e1b90ddaad562dd92416b85dedc72001f58008ea80349c91898f
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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